Free illustration materials

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  Geothermal power plant
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  Electric power mark
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  Large engine generator
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  Fukushima Daiichi Nuclear Power Plant
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  LNG tanker
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  Smart meter
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  Outdoor kerosene tank
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  Lead-acid battery
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  Candle disappearing
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  Nuclear power plant
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  Private power generation
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  House with solar panels installed
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  Telephone pole (1)
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  Electric thief-Electric theft
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  Various principles of leverage
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  Electric power company building
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  Gas tank
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  Gas meter
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  Electric power (local production for local consumption) characters
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  Distribution board for construction
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  Charcoal
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  Water solar
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  Biofuel
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  Steel tower
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  Electricity meter
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  Charger
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  Solar panel material
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  Local production for local consumption of electricity
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  Gas station
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  Nikola-Tesla caricature

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  Power outage (before and after)
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  Alessandro-Volta caricature
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  Thermal power plant
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  Male adjusting the temperature of the air conditioner (power saving)
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  Person with a heavy plastic tank
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  Power saving (unplug)
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  Edison caricature
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  Oil in drums
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  Oil King
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  Person who has the switch off (power saving)
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  Firewood
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  Oil plant